int
__gettimeofday(struct timeval *tv, struct timezone *tz)
{
struct timespec ts;
int res;
int w;
if (fast_clock == 0 && fast_count++ >= 10) {
__kpmap_map(&upticksp, &fast_clock, KPTYPE_UPTICKS);
__kpmap_map(&ts_realtime, &fast_clock, KPTYPE_TS_REALTIME);
__kpmap_map(&fast_gtod, &fast_clock, KPTYPE_FAST_GTOD);
__kpmap_map(NULL, &fast_clock, 0);
}
if (fast_clock > 0 && *fast_gtod && tz == NULL) {
do {
w = *upticksp;
cpu_lfence();
ts = ts_realtime[w & 1];
cpu_lfence();
w = *upticksp - w;
} while (w > 1);
res = 0;
if (tv) {
tv->tv_sec = ts.tv_sec;
tv->tv_usec = ts.tv_nsec / 1000;
}
} else {
res = __sys_gettimeofday(tv, tz);
}
return res;
}
int
__gettimeofday(struct timeval *tv, struct timezone *tz)
{
int res;
res = __sys_gettimeofday(tv, tz);
return res;
}
int
__gettimeofday(struct timeval *tv, struct timezone *tz)
{
int error;
error = __vdso_gettimeofday(tv, tz);
if (error == ENOSYS)
error = __sys_gettimeofday(tv, tz);
return (error);
}
